I was actually looking for some as well.
Been playing a lot of FF:Dissidia lately but would love a pony theme to go on my PSP.
If I find something i'll let you know.
EDIT: Best one I could find
http://blue2-222.dev...Theme-262464015

As there was an older thread pertaining to this same subject @~asdf~, I went ahead and merged yours with that. In the future please remember to search for possible duplicate topics using there forum search function or by going to Google and typing in "site:mlpforums.com + keyword."